<body xmlns:th="http://www.w3.org/1999/xhtml">
<div class="container">
<div class="col-sm-12">
<h1>Secured Page</h1>
Welcome, <span th:text="${authentication.name}">Name</span>
<br/>
Your authorities are <span th:text="${authentication.authorities}">authorities</span>
</div>
</div>
</body>